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A gynandromorph of Megachile (Austromegachile) montezuma Cresson (Hymenoptera: Apoidea, Megachilidae)
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Abstract
A mixed gynandromorph of Megachile (Austromegachile) montezuma is described from a single specimen from Brazil. The gynandromorph has a head that resembles a male but with mixed male and female features, whereas the mesosoma and metasoma are mostly male and female in characters, respectively. The possibility of as yet unknown developmental mechanism that promotes gynandromorphism in Megachile over other bees is also discussed, given its higher frequency of occurrence in the genus than in other bees, and its highly ecological and morphological diversity.
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